Answer:
A = B + 52
Step-by-step explanation:
A is the total amount each week. 52 is the initial amount that she earns each week. Then, B represents the amount of books she sells. So, 15 books can be represented by
A = 15 + 52 = 67
Answer:
option-D
Step-by-step explanation:
we are given

Let's assume it is equal to 0

We can use quadratic formula
Suppose, we are given quadratic equations as


we can compare and find a,b and c
a=1 , b=2 , c=4
now, we can plug values
and we get

now, we can simplify it
and we get

To find the slope we will need to differentiate!
Step 1:

// let's take the derivative with respect to x
Since there is no x value specified there is an infinite number of slope values that we can input into this equation.
-4x + 28 = 36
28 = 36 + 4x / - 36
-8 = 4x
-2 = x